DeSmuME is a discontinued, open-source Nintendo DS emulator for Windows, macOS, and Linux. It[SQ]s no longer actively developed, meaning it likely won[SQ]t receive updates, bug fixes, or support for newer features or games. While there might be older versions available for download on various websites, you should exercise caution when downloading software from unofficial sources, as they may contain malware.

Essentially, if you[SQ]re looking for a Nintendo DS emulator for Mac, you should search for and consider alternatives to DeSmuME, as it[SQ]s not a reliable or supported option anymore. There are several active and better-maintained options available.